import 'package:flutter/material.dart';
class packerPage extends StatelessWidget{
  String text="默认值";
  packerPage(this.text);
  @override
  Widget build(BuildContext context){
    return Scaffold(
      appBar: AppBar(
        title: Text("packerPage"),
      ),
      body: Center(
        child: RaisedButton(
          child: Text("返回路由"),
          onPressed: (){
            Navigator.of(context).pop();
          },
        ),
      ),
    );
  }
}